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  1. POEclipse WTP - "No tab group defined for launch configuration type org.eclipse.jst.server.tomcat.core.launchConfigurationType" ...?
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    <p>When I double-click on my tomcat server on eclipse's "Servers" tab I get taken to the propeties page. This page has only one tab, "Overview" and has a red square as its icon. When I click on the "Open launch configuration" link on the "Overview" tab I get two popup messages:</p> <blockquote> <p>Exception occurred creating launch configuration tabs Reason: No tab group defined for launch configuration type org.eclipse.jst.server.tomcat.core.launchConfigurationType</p> </blockquote> <p>And: </p> <blockquote> <p>No tabs defined for launch configuration type Apache Tomcat</p> </blockquote> <p>Eclipse's "Error Log" tab has:</p> <pre><code>eclipse.buildId=M20090917-0800 java.version=1.6.0_17 java.vendor=Sun Microsystems Inc. BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_GB Framework arguments: -product org.eclipse.epp.package.java.product Command-line arguments: -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.java.product -data C:\devsrc Error Mon Jan 18 13:38:01 GMT 2010 Unhandled event loop exception java.lang.NullPointerException at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationManager.filterLaunchDelegates(LaunchConfigurationManager.java:267) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.hasMultipleDelegates(LaunchConfigurationTabGroupViewer.java:1138) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.hasDuplicateDelegates(LaunchConfigurationTabGroupViewer.java:1121) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.getErrorMesssage(LaunchConfigurationTabGroupViewer.java:1163) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationsDialog.updateMessage(LaunchConfigurationsDialog.java:1433) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationsDialog.refreshStatus(LaunchConfigurationsDialog.java:1159) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.refreshStatus(LaunchConfigurationTabGroupViewer.java:989) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer$8.run(LaunchConfigurationTabGroupViewer.java:692) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.inputChanged(LaunchConfigurationTabGroupViewer.java:697) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.setInput0(LaunchConfigurationTabGroupViewer.java:659) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.setInput(LaunchConfigurationTabGroupViewer.java:635) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationPropertiesDialog.initializeContent(LaunchConfigurationPropertiesDialog.java:126) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationsDialog.createContents(LaunchConfigurationsDialog.java:425) at org.eclipse.jface.window.Window.create(Window.java:431) at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1089) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationsDialog.create(LaunchConfigurationsDialog.java:354) at org.eclipse.jface.window.Window.open(Window.java:790) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationsDialog.open(LaunchConfigurationsDialog.java:1064) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationPropertiesDialog.open(LaunchConfigurationPropertiesDialog.java:227) at org.eclipse.debug.ui.DebugUITools.openLaunchConfigurationPropertiesDialog(DebugUITools.java:448) at org.eclipse.debug.ui.DebugUITools.openLaunchConfigurationPropertiesDialog(DebugUITools.java:425) at org.eclipse.wst.server.ui.internal.editor.OverviewEditorPart$9.linkActivated(OverviewEditorPart.java:578) at org.eclipse.ui.forms.widgets.AbstractHyperlink.handleActivate(AbstractHyperlink.java:233) at org.eclipse.ui.forms.widgets.AbstractHyperlink.handleMouseUp(AbstractHyperlink.java:327) at org.eclipse.ui.forms.widgets.AbstractHyperlink.access$2(AbstractHyperlink.java:311) at org.eclipse.ui.forms.widgets.AbstractHyperlink$4.handleEvent(AbstractHyperlink.java:125) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3880) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3473) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:368) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:559) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514) at org.eclipse.equinox.launcher.Main.run(Main.java:1311) at org.eclipse.equinox.launcher.Main.main(Main.java:1287) </code></pre> <p>What can I do to get it to work?</p> <p>Thanks...</p>
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